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Finding the Fourth Proportional to 8,365.76, 12,537.70 and 6,269.29

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Solution

The fourth proportional to 8,365.76, 12,537.70 and 6,269.29 is: 9,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.76 : 12,537.70 = 6,269.29 : x
  2. Step 2: Convert to fraction form
    8,365.76/12,537.70 = 6,269.29/x
  3. Step 3: Cross multiply
    8,365.76x = 12,537.70 × 6,269.29
  4. Step 4: Simplify right side
    8,365.76x = 78,602,477.23
  5. Step 5: Solve for x
    x = 78,602,477.23/8,365.76
  6. Step 6: Final answer
    x = 9,395.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.